Juan Manuel Valverde defeated Luciano Vitullo 7-6 4-6 6-4 in the Argentina F1 round of 32 on clay. The upset overturned the form book — Luciano Vitullo came in leading the head-to-head 1–0, but Juan Manuel Valverde had been the form player, winning 5 of their last 10 on clay. Juan Manuel Valverde claimed a first win over Luciano Vitullo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-08 | Argentina F6 | R32 | clay | Luciano Vitullo | 6-2 4-6 6-3 |